Home / 823,716.60-1,236,266.10-403,351.80

Finding the Fourth Proportional to 823,716.60, 1,236,266.10 and 403,351.80

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Solution

The fourth proportional to 823,716.60, 1,236,266.10 and 403,351.80 is: 605,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,716.60 : 1,236,266.10 = 403,351.80 : x
  2. Step 2: Convert to fraction form
    823,716.60/1,236,266.10 = 403,351.80/x
  3. Step 3: Cross multiply
    823,716.60x = 1,236,266.10 × 403,351.80
  4. Step 4: Simplify right side
    823,716.60x = 498,650,156,713.98
  5. Step 5: Solve for x
    x = 498,650,156,713.98/823,716.60
  6. Step 6: Final answer
    x = 605,366.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.